diff --git a/APP/main.c b/APP/main.c
index 23128ec..4e9484a 100644
--- a/APP/main.c
+++ b/APP/main.c
@@ -206,20 +206,20 @@ int main(int argc, char *argv[]) {
     if (cJSON_IsString(idJS) && (idJS->valuestring != NULL)) {
         printf("id (JSON): %s\n", idJS->valuestring);
 
-        char VIN[17] = {0};
+        char VIN[18] = {0};
 
-        if (strlen(idJS->valuestring) > sizeof(VIN)) {
+        if (strlen(idJS->valuestring) > (sizeof(VIN) - 1)) {
             printf("Length error id\n");
             fflush(stdout);
             return 1;
         }
 
-        memset(VIN, '0', sizeof(VIN));
+        memset(VIN, '0', sizeof(VIN) - 1);
 
-        memcpy(&VIN[sizeof(VIN) - strlen(idJS->valuestring)], idJS->valuestring, strlen(idJS->valuestring));
+        memcpy(&VIN[sizeof(VIN) - 1 - strlen(idJS->valuestring)], idJS->valuestring, strlen(idJS->valuestring));
 //        memcpy(&VIN[5], "1111111111", 10);
 
-        EraGlonassMsdSetVIN(&msd, VIN, sizeof(VIN));
+        EraGlonassMsdSetVIN(&msd, VIN, sizeof(VIN) - 1);
 
         printf("id (VIN): %s\n", VIN);